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VT198_GPO

Information - Help 
ID = 64740
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Beam Power Tube   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to VT198_GPO = KT66 = CV1075
Similar Tubes
Normally replaceable-slightly different:
  6L6G ; CV321 ; VT75

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Telephony
Filament Vf 6.3 Volts / If 1.27 Ampere / Indirect / Parallel, (AC/DC)
Information source -- Collector info (Sammler)   
 
kt66_so~~1.png
VT198_GPO: Fin Stewart
Fin Stewart

 

from Just Qvigstad

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